网络地址封装类.doc

Netaddr.h#ifndef _NET_ADDR_H#define _NET_ADDR_H#include using std:ostream;/功能: 网络地址封装#include class CNF_Net_Addrpublic: CNF_Net_Addr(); CNF_Net_Addr(const struct sockaddr_in& addr); CNF_Net_Addr(unsigned short port, const char* ip=NULL, bool port_isRaw=true); bool operator = (const CNF_Net_Addr& other) const; int set( const struct sockaddr_in& addr ); int set_ip(const char* ip=NULL); /xxx.xxx.xxx.xxx int set_port(unsigned short port, bool isRaw = true); void get_port(unsigned short& port) const; void get_ip(char ip16) const; operator struct sockaddr_in () const;private: struct sockaddr_in sockaddr;ostream& operator ( ostream& s, const CNF_Net_Addr& addr);class CNF_Net_Addr_Pair public: CNF_Net_Addr_Pair(unsigned short peer_port, const char* peer_ip, unsigned short local_port, const char* local_ip) peer.set_port(peer_port); peer.set_ip(peer_ip); local.set_port(local_port); local.set_ip(local_ip); public: CNF_Net_Addr peer; CNF_Net_Addr local;#endifNetaddr.cpp#include Net_Addr.h#include #include #include #include #include CNF_Net_Addr:CNF_Net_Addr() memset( &sockaddr, 0, sizeof( sockaddr) ); sockaddr.sin_family = PF_INET;CNF_Net_Addr:CNF_Net_Addr(const struct sockaddr_in& addr_):sockaddr(addr_)CNF_Net_Addr:CNF_Net_Addr(unsigned short port, const char* ip, bool port_isRaw) memset( &sockaddr, 0, sizeof( sockaddr) ); sockaddr.sin_family = PF_INET; set_ip( ip ); set_port( port, port_isRaw );int CNF_Net_Addr:set( const struct sockaddr_in& addr) sockaddr = addr; return 0;int CNF_Net_Addr:set_ip(const char* ip) if( ip ) return 0 = inet_aton( ip, &sockaddr.sin_addr) ? -1 : 0; else sockaddr.sin_addr.s_addr = htonl(INADDR_ANY); return 0; int CNF_Net_Addr:set_port(unsigned short port, bool isRaw) if( isRaw ) sockaddr.sin_port = htons( port ); else sockaddr.sin_port = port; return 0;void CNF_Net_Addr:get_port(unsigned short& port) const port = ntohs( sockaddr.sin_port );void CNF_Net_Addr:get_ip(char addr16) const snprintf( addr, 16, inet_ntoa( sockaddr.sin_addr ) );CNF_Net_Addr:operator struct sockaddr_in () const return sockaddr;bool CNF_Net_Addr:operator = (const CNF_Net_Addr& other) const return (0 = memcmp(&sockaddr, &(other.sockaddr), sizeof(struct sockaddr_in);ostream& operator ( ostream& s, cons